i'm not sure, for example mixed-race said kennedy think feats of the current polarization of african-americans and whites in society as the great polarization between africans and whites in society. although i think there's great potential for those two groups, whites and african-americans to come together in some form in the future. >> thank you so much. we have been talking with robert moore the third, author of a always said that would marry a white girl, coming to grips with rates in america. >> thanks for having me.